Examlex

Solved

Which of the Following Statements About Ethnic Differences in Average

question 27

Multiple Choice

Which of the following statements about ethnic differences in average longevity is true?


Definitions:

Radially Symmetrical

An attribute of organisms that can be divided into identical halves along any plane that passes through the central axis, common in many jellyfish and sea anemones.

Cnidarians

A phylum of aquatic invertebrate animals that includes jellyfish, corals, and sea anemones, characterized by their specialized stinging cells called cnidocytes.

Echinoderms

A phylum of marine animals characterized by radial symmetry, a calcareous skeleton, and a complex water vascular system, including starfish, sea urchins, and sea cucumbers.

Arthropods

Invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages.

Related Questions